Bhai firstly vouching verification are responses to assessed risks. And specifically test of details under substantive procedures. So it’s not relevant to include these risk assessment procedures in these questions. For questions that are specifically from vouching verification you can check pm analysis sheet in download section. And try to read answers in accordance with practice manual as maximum as possible

thanks shubham, in above video i have explained how to approach vouching verification video
further PM / Study Material dont break answer in these 3 parts, so suggested answers also dont have them, so dont take risk just explain point by point
for retention you can use technique given in above video